Crossword Genius

Shaking cups in triumph, after eliminating clubs (9)

Ross

I believe the answer is:

vibratory

I'm a little stuck... Click here to teach me more about this clue!

'triumph after eliminating clubs' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'shaking cups' is the wordplay.
I cannot really understand how this works, but
'cups' could be 'bra' (as in the two cups of a bra) and 'bra' is located in the answer.
This explanation may well be incorrect...

'in' is the link.

Can you help me to learn more?

I've seen this clue in The Guardian.
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